Seiko Alpinist SPB155 Market Price & Sold Comps
Sold median $500 · recent sales $350–$625 · 24 comps · updated 4 Oct 2026
- 30-day trend
- Down 7%
- 90-day trend
- Up 6%
- Median Time To Sell
- 8.3 days
- Comp Window
- 180 days
Market report
Asking prices on r/Watchexchange for the Seiko Prospex Baby Alpinist SPB155 have ticked up recently, with the median rising from $540 in the prior 90 days to $570 in the last 30 days. Most asks typically fall between $495 and $580, and listings later marked sold had a median asking price of $500. The condition mix skews toward excellent, with 23 listings in that state versus 12 in good condition. Model years seen in listings span 2024 to 2026. Listings that sold took a median of 8 days to be marked sold.
Comp Price Map
Recent sales ran $350–$625. 30-day trend: Down 7%. 90-day trend: Up 6%.
Recent Same-Reference Signals
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Market context is based on public watch listings WatchSnipe has indexed. It is not an appraisal, guarantee, or escrow recommendation.
Generated 2026-10-04 23:19 UTC. Market data is refreshed as WatchSnipe indexes public listings.